diff options
| author | Richard Guenther <rguenther@suse.de> | 2012-05-14 15:01:22 +0000 |
|---|---|---|
| committer | Richard Guenther <rguenther@suse.de> | 2012-05-14 15:01:22 +0000 |
| commit | 2ff2fd878a43208c34475a45f2829462b4fe7e8f (patch) | |
| tree | 9aa4a5b963dd59f3951fd6abdc29e564d2dd64a5 /gcc/tree-vect-stmts.c | |
| parent | 5e3ecc37c26465480f4edd4698c9dc4fa9fc7edd (diff) | |
2012-05-14 Richard Guenther <rguenther@suse.de>
PR tree-optimization/53331
* tree-vect-data-refs.c (vect_verify_datarefs_alignment): Ignore
strided loads.
* tree-vect-stmts.c (vect_model_load_cost): Handle strided loads.
git-svn-id: https://gcc.gnu.org/svn/gcc/trunk@187466 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/tree-vect-stmts.c')
| -rw-r--r-- | gcc/tree-vect-stmts.c | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/gcc/tree-vect-stmts.c b/gcc/tree-vect-stmts.c index 88204fec2d3..bdb6828baad 100644 --- a/gcc/tree-vect-stmts.c +++ b/gcc/tree-vect-stmts.c @@ -1032,10 +1032,19 @@ vect_model_load_cost (stmt_vec_info stmt_info, int ncopies, bool load_lanes_p, } /* The loads themselves. */ - vect_get_load_cost (first_dr, ncopies, - ((!STMT_VINFO_GROUPED_ACCESS (stmt_info)) || group_size > 1 - || slp_node), - &inside_cost, &outside_cost); + if (STMT_VINFO_STRIDE_LOAD_P (stmt_info)) + { + /* N scalar loads plus gathering them into a vector. + ??? scalar_to_vec isn't the cost for that. */ + inside_cost += (vect_get_stmt_cost (scalar_load) * ncopies + * TYPE_VECTOR_SUBPARTS (STMT_VINFO_VECTYPE (stmt_info))); + inside_cost += ncopies * vect_get_stmt_cost (scalar_to_vec); + } + else + vect_get_load_cost (first_dr, ncopies, + ((!STMT_VINFO_GROUPED_ACCESS (stmt_info)) + || group_size > 1 || slp_node), + &inside_cost, &outside_cost); if (vect_print_dump_info (REPORT_COST)) fprintf (vect_dump, "vect_model_load_cost: inside_cost = %d, " |